package com.dxy.yesas2020goals.study.partone.disignprinciple.simpleresponsibility.myinterface;

/**
 * @author victorydeng
 * @Classname ICourseManager
 * @Description ICourseManager 接口课程的抽象 从icourse中拆分
 * @Date 2020/2/24 22:43
 * @Created by victorydeng
 */
public interface ICourseManager {

  void studyCourse();

  void refundCourse();
}
